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aVR导联ST段改变在急性心肌梗死中的诊断价值 被引量:6

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摘要 目的:探讨aVR导联ST段改变在急性心肌梗死中的诊断价值和对患者预后的影响。方法:急性心肌梗死患者105例均行冠状动脉造影及肌钙蛋白T(CTnT)测定,依据心电图aVR导联ST段变化将病例分为无偏移组、抬高组和下移组。结果:梗死相关血管为左主干病变的无偏移组、抬高组、下移组分别为1例、7例、3例,ST段抬高组与无偏移组左主干病变的比较差异有统计学意义(P<0.05);梗死相关血管为左前降支病变的无偏移组、抬高组、下移组分别为19例、36例、8例,ST段抬高组与无偏移组左前降支病变的比较差异有统计学意义(P<0.05);梗死相关血管为右冠状动脉病变的无偏移组、抬高组、下移组分别为15例、28例、18例,ST段压低组与无偏移组右冠状动脉病变的比较差异有统计学意义(P<0.05);梗死相关血管为左回旋支病变的无偏移组、抬高组、下移组分别为8例、29例、16例,ST段抬高组与无偏移组左回旋支病变的比较差异有统计学意义(P<0.05);病变范围为多支病变无偏移组、抬高组、下移组分别为7例、27例、11例,ST段抬高组与无偏移组、下移组与无偏移组多支病变的比较差异均有统计学意义(P<0.05)。ST段抬高组或下移组心脏事件的发生率显著高于无偏移组(P<0.05)。结论:急性心肌梗死病人如果aVR导联ST段抬高或下移可能提示有严重的左主干病变、左前降支病变、右冠状动脉病变、左回旋支病变或严重的多支病变,尤其是左主干病变,且住院不良心脏事件发生率高,愈后不良。
出处 《广西医科大学学报》 CAS 2010年第5期698-700,共3页 Journal of Guangxi Medical University
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